package com.qww.exec06;

public class Exec06 {

    public static void main(String[] args) {
        Dog d = new Dog();
        d.bark(1, "");
        d.bark("", 1);
    }
}

class Dog {
    void bark(int x, String s) {
        System.out.println("barking");
    }

    void bark(String s, int x) {
        System.out.println("howling");
    }

}
